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Finding the Fourth Proportional to 62.92, 94.50 and 57.04

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Solution

The fourth proportional to 62.92, 94.50 and 57.04 is: 85.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.92 : 94.50 = 57.04 : x
  2. Step 2: Convert to fraction form
    62.92/94.50 = 57.04/x
  3. Step 3: Cross multiply
    62.92x = 94.50 × 57.04
  4. Step 4: Simplify right side
    62.92x = 5,390.28
  5. Step 5: Solve for x
    x = 5,390.28/62.92
  6. Step 6: Final answer
    x = 85.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.